Third Cousin

1385 Double Marrige of the Burgundian Court

1403 Marriage of Henry IV and Joanna of Navarre

1434 Neville Beauchamp Marriage Alliance

1445 Marriage of Henry VI and Margaret of Anjou

1486 Marriage of Henry VII and Elizabeth York

1503 Marriage of James IV of Scotland and Margaret Tudor

1533 Marriage of Henry Fitzroy and Mary Howard

Third Cousin is in Third Cousin and Above.

In 1080 Stephen Blois II Count Blois and Chartres 1045-1102 (35) and Adela Normandy Countess Blois 1067-1137 (13) were married at Chartres. They were third cousins. She a daughter of William "Conqueror" I King England 1028-1087. She by marriage Countess Blois.

In 1087 Alan Canhiart IV Duke Brittany 1063-1119 (24) and Constance Normandy Duchess Brittany 1057-1090 (30) were married. They were third cousins. She a daughter of William "Conqueror" I King England 1028-1087. She by marriage Duchess Brittany.

In 1127 William Clito Normandy Count Flanders 1102-1128 (24) and Joanna Monferrat Countess Essex -1128 were married. They were third cousins. He a grandson of William "Conqueror" I King England 1028-1087. She by marriage Countess Essex.

In 1160 Matthew Metz Count Boulogne -1173 and Marie Blois I Countess Boulogne 1136-1182 (24) were married. They were third cousins. She a daughter of Stephen I King England 1094-1154.

23 May 1200 Louis "Lion" VIII King France 1187-1226 (12) and Blanche Ivrea Queen Consort France 1188-1252 (12) were married. They were third cousins. He a great x 3 grandson of William "Conqueror" I King England 1028-1087. She a granddaughter of Henry "Curtmantle" II King England 1133-1189.

Around Dec 1206 Hugh Bigod 3rd Earl Norfolk 1182-1225 (24) and Maud Marshal Countess Norfolk Countess Surrey 1194-1248 (12) were married. They were third cousins.

In Mar 1211 Raymond Rouerge VII Count Toulose 1197-1249 (13) and Sancha Barcelona Countess Toulose were married. They were third cousins. He a grandson of Henry "Curtmantle" II King England 1133-1189.

Before 1235 Hugh Lusignan XI Count Lusignan VI Count La Marche II Count Angoulême 1221-1250 and Yolande Capet Countess Lusignan, La Marche and Angoulême 1219-1272 were married. They were third cousins. She a great x 4 granddaughter of King Henry I "Beauclerc" England 1068-1135.

On 12 Mar 1237 William Jülich IV Count Jülich 1210-1278 (27) and Margaret Guelders Countess Jülich were married. They were third cousins. She a great x 2 granddaughter of Stephen I King England 1094-1154. She by marriage Countess Jülich.

On 14 Jun 1237 Robert Capet Count of Artois 1216-1250 (20) and Matilda Reginar Countess Saint Pol 1224-1288 (13) were married. They were third cousins. He a great grandson of Henry "Curtmantle" II King England 1133-1189. She a great x 2 granddaughter of Stephen I King England 1094-1154.

In 1245 Theobald of Bar II Count of Bar 1221-1291 (24) and Joanna Dampierre Countess Bar were married. They were third cousins. He a great x 4 grandson of William "Conqueror" I King England 1028-1087. She a great x 4 granddaughter of William "Conqueror" I King England 1028-1087. She by marriage Countess Bar.

In 1246 John Hainault I Count Hainault 1218-1257 (27) and Adelaide Gerulfing Countess Hainault 1230-1284 (16) were married. They were third cousins. He a great x 4 grandson of William "Conqueror" I King England 1028-1087. She a great x 2 granddaughter of Stephen I King England 1094-1154. She by marriage Countess Hainault.

Before Jan 1250 William Jülich IV Count Jülich 1210-1278 and Richardis Guelders Countess Jülich 1215-1297 were married. They were third cousins. She a great x 2 granddaughter of Stephen I King England 1094-1154. She by marriage Countess Jülich.

In 1265 Robert Dampierre III Count Flanders 1249-1322 (16) and Blanche Capet Countess Flanders 1250-1269 (15) were married. They were third cousins. He a great x 5 grandson of William "Conqueror" I King England 1028-1087. She a great x 2 granddaughter of Henry "Curtmantle" II King England 1133-1189. She by marriage Countess Flanders.

In 1271 Robert Bruce Earl Carrick 1243-1304 (27) and Marjorie Carrick 3rd Countess Carrick 1253-1292 (18) were married at Turnberry Castle. They were third cousins. He a great x 4 grandson of King Henry I "Beauclerc" England 1068-1135. He by marriage Earl Carrick.

In 1275 Arthur Capet Duke Brittany 1261-1312 (13) and Marie Limoges Duchess Brittany were married. They were third cousins. He a grandson of Henry III King England 1207-1272. She by marriage Duchess Brittany 1221 Dreux, Earl Richmond 1C 1136.

In or before 1280 Richard "Red Earl" Burgh 2nd Earl Ulster 1259-1326 (21) and Margaret Burgh Countess Ulster were married. They were third cousins. She by marriage Countess Ulster.

Before 04 Sep 1286 Roger Mowbray 1st Baron Mowbray 1257-1297 and Rohese Clare Baroness Mowbray 1255-1316 were married. They were third cousins. He a great x 2 grandson of Henry "Curtmantle" II King England 1133-1189. She a great x 4 granddaughter of King Henry I "Beauclerc" England 1068-1135. She by marriage Baroness Mowbray.

In 1290 Alfonso Ivrea 1270-1324 (20) and Mahaut Brienne -1328 were married. They were third cousins. He a great x 3 grandson of Henry "Curtmantle" II King England 1133-1189. She a great x 4 granddaughter of Henry "Curtmantle" II King England 1133-1189.

Before 1295 Arthur Capet Duke Brittany 1261-1312 (33) and Yolande Capet Duchess Brittany 1261-1330 (34) were married. They were third cousins. He a grandson of Henry III King England 1207-1272. She a great x 5 granddaughter of King Henry I "Beauclerc" England 1068-1135. She by marriage Duchess Brittany 1221 Dreux, Earl Richmond 1C 1136.

On 29 Oct 1295 James "The Just" II King Aragon 1267-1327 (28) and Blanche Capet Queen Consort Aragon were married. They were third cousins. She a great x 3 granddaughter of Henry "Curtmantle" II King England 1133-1189. She by marriage Queen Consort Aragon.

In 1297 John Capet III Duke Brittany 1286-1341 (10) and Isabelle Valois Duchess Brittany 1292-1309 (5) were married. They were third cousins. He a great grandson of Henry III King England 1207-1272. She a great x 4 granddaughter of Henry "Curtmantle" II King England 1133-1189. She by marriage Duchess Brittany 1221 Dreux, Earl Richmond 1C 1136.

On 14 Nov 1302 Humphrey Bohun 4th Earl Hereford 3rd Earl Essex 1276-1322 (26) and Princess Elizabeth of Rhuddlan Countess Essex Hereford and Holland 1282-1316 (20) were married. They were third cousins. She a daughter of Edward "Longshanks" I King England 1239-1307. She by marriage Countess Essex, Earl Hereford 6C 1199. Westminster Abbey.

On 04 Feb 1316 Theobald Verdun 2nd Lord Verdun 1278-1316 (37) and Elizabeth Clare Lady Verdun 1295-1360 (20) were married. They were third cousins. She a granddaughter of Edward "Longshanks" I King England 1239-1307. She by marriage Lord Verdun.

Before 15 Nov 1316 Louis X King France I Navarre 1289-1316 (27) and Clementia Hungary Queen Consort France 1293-1328 (23) were married. They were third cousins. He a great x 4 grandson of Henry "Curtmantle" II King England 1133-1189. She a great x 4 granddaughter of Henry "Curtmantle" II King England 1133-1189. She by marriage Queen_Consort_France.

Before 1320 Thomas Rich Berkeley 8th Baron Berkeley 1296-1361 and Margaret Mortimer Baroness Berkeley 1304-1337 were married. They were third cousins. He a great x 3 grandson of John "Lackland" King England 1166-1216. She a great x 4 granddaughter of John "Lackland" King England 1166-1216.

In 1320 Robert III Artois 1287-1342 (33) and Joan Valois Countess Zeeland Holland Avesnes and Hainault 1294-1342 (26) were married. They were third cousins. He a great grandson of Henry III King England 1207-1272. She a great x 4 granddaughter of Henry "Curtmantle" II King England 1133-1189.

On 25 Mar 1349 John Mowbray 4th Baron Mowbray 5th Baron Segrave 1340-1368 (8) and Elizabeth Segrave 5th Baroness Segrave Baroness Mowbray 1338- (10) were married. They were third cousins. He a great x 2 grandson of Henry III King England 1207-1272. She a great granddaughter of Edward "Longshanks" I King England 1239-1307. She by marriage Baroness Mowbray. John Mowbray 4th Baron Mowbray 5th Baron Segrave 1340-1368 (8) by marriage 5th Baron Segrave 2C 1295.

After 06 Jun 1349 Ralph Ferrers 1329-1392 and Joan Grey 1302-1369 were married. They were third cousins. He a great x 2 grandson of Edward "Longshanks" I King England 1239-1307.

After 09 Sep 1359 Humphrey Bohun 7th Earl Hereford 6th Earl Essex 2nd Earl of Northampton 1341-1373 and Joan Fitzalan Countess Essex Hereford and Northampton 1347-1419 were married. They were third cousins. He a great grandson of Edward "Longshanks" I King England 1239-1307. She a great x 2 granddaughter of Henry III King England 1207-1272.

Around 28 Sep 1359 Richard Fitzalan 9th Earl Surrey 11th Earl Arundel 1346-1397 (13) and Elizabeth Bohun Countess Arundel and Surrey 1350-1385 (9) were married. They were third cousins. He a great x 2 grandson of Henry III King England 1207-1272. She a great granddaughter of Edward "Longshanks" I King England 1239-1307.

Around 03 Jul 1361 John Montfort V Duke Brittany 1339-1399 (22) and Mary Plantagenet Duchess Brittany 1344-1361 (16) were married. They were third cousins. He a great x 2 grandson of Henry III King England 1207-1272. She a daughter of King Edward III England.

On 12 Apr 1363 Thomas Ros 4th Baron Ros Helmsley 1335-1384 (28) and Beatrice Stafford Countess Desmond 1341-1415 (22) were married. They were third cousins. He a great x 5 grandson of Henry "Curtmantle" II King England 1133-1189. She a great x 2 granddaughter of Edward "Longshanks" I King England 1239-1307.

Before 1365 Robert Tiptoft 3rd Baron Tibetot 1341-1372 (24) and Margaret Deincourt Baroness Tibetot1344 -1380 (21) were married. They were third cousins. He a great x 5 grandson of Henry "Curtmantle" II King England 1133-1189. She by marriage Baroness Tibetot.

In May 1366 John Montfort V Duke Brittany 1339-1399 (27) and Joan Holland Duchess Brittany 1350-1384 (16) were married. They were third cousins. He a great x 2 grandson of Henry III King England 1207-1272. She a great granddaughter of Edward "Longshanks" I King England 1239-1307. She by marriage Duchess Brittany 1221 Dreux.

Before 25 May 1368 William Ferrers 3rd Baron Ferrers Groby 1333-1372 and Margaret Percy Baroness Ferrers Groby 1330-1375 were married. They were third cousins. He a great x 2 grandson of Edward "Longshanks" I King England 1239-1307. She a great x 5 granddaughter of Henry "Curtmantle" II King England 1133-1189. She by marriage Baroness Ferrers Groby.

Before 13 Oct 1370 Thomas Holland 2nd Earl Kent 1350-1397 and Alice Fitzalan Countess Kent 1350-1416 were married. They were third cousins. He a great grandson of Edward "Longshanks" I King England 1239-1307. She a great x 2 granddaughter of Henry III King England 1207-1272. She by marriage Countess Kent.

In 1371 William Jülich I Duke Jülich 1327-1393 (44) and Marie Guelders Duchess Jülich -1405 were married. They were third cousins. He a great x 5 grandson of Stephen I King England 1094-1154. She a great x 5 granddaughter of Stephen I King England 1094-1154. She by marriage Duchess Jülich.

Before 1377 Hugh Hastings 7th Baron Hastings 1350-1396 (27) and Anne Despencer Baroness Hastings Baroness Marshal Baroness Morley 1358-1426 (19) were married. They were third cousins. She a great x 3 granddaughter of Edward "Longshanks" I King England 1239-1307.

Before 1379 Thomas Clifford 6th Baron Clifford 1363-1391 and Elizabeth Ros Baroness Clifford were married. They were third cousins. He a great x 5 grandson of John "Lackland" King England 1166-1216. She a great x 3 granddaughter of Edward "Longshanks" I King England 1239-1307. She by marriage Baroness Clifford.

In 1380 Waleran Luxemburg 1355-1415 (25) and Maud Holland 1359-1391 (21) were married. They were third cousins. He a great x 3 grandson of Henry III King England 1207-1272. She a great granddaughter of Edward "Longshanks" I King England 1239-1307.

On 22 Jun 1382 John Ros 5th Baron Ros Helmsley -1393 and Mary Percy Baroness Ros Helmsley 1367-1394 (15) were married. They were third cousins. He a great x 3 grandson of Edward "Longshanks" I King England 1239-1307. She by marriage Baroness Ros Helmsley.

Before 1383 Richard Talbot 7th Baron Strange Blackmere 4th Baron Talbot 1361-1396 and Ankaret Strange 7th Baroness Strange Blackmere Baroness Talbot 1361-1413 were married. They were third cousins. He a great x 2 grandson of Edward "Longshanks" I King England 1239-1307. She a great x 5 granddaughter of John "Lackland" King England 1166-1216.

In Nov 1384 Henry of Bar 1362-1397 (22) and Marie de Coucy Countess Soissons 1366-1405 (18) were married. They were third cousins. He a great x 3 grandson of Edward "Longshanks" I King England 1239-1307. She a granddaughter of King Edward III England.

In 1385 Sigismund I King Hungary I King Germany I King Bohemia Holy Roman Emperor Luxemburg 1368-1437 (16) and Mary Hungary I Queen Hungary 1371-1395 (14) were married. They were third cousins.

Double Marrige of the Burgundian Court

On 12 Apr 1385 a double wedding of the Burgundian Court was celebrated with brother and sister John "Fearless" Valois Duke Burgundy 1371-1419 (13) and Margaret Valois Countess Holland 1374-1441 (10) getting married ...
John "Fearless" Valois Duke Burgundy 1371-1419 (13) and Margaret Wittelsbach Duchess Burgundy 1363-1423 (22) were married. They were third cousins. He a great x 3 grandson of Edward "Longshanks" I King England 1239-1307. She a great x 5 granddaughter of Henry "Curtmantle" II King England 1133-1189.
William Wittelsbach IV Count Holland VI Count Hainault V Count Zeeland 1365-1417 (20) and Margaret Valois Countess Holland 1374-1441 (10) were married. They were third cousins. He a great x 5 grandson of Henry "Curtmantle" II King England 1133-1189. She a great x 3 granddaughter of Edward "Longshanks" I King England 1239-1307.

Before 1386 Robert Ferrers 5th Baron Ferrers Chartley 1358-1413 (28) and Margaret Despencer Baroness Ferrers Chartley -1415 were married. They were third cousins. He a great x 3 grandson of Edward "Longshanks" I King England 1239-1307. She a great x 3 granddaughter of Edward "Longshanks" I King England 1239-1307.

On 24 Apr 1390 Albert Habsburg IV Duke Austria 1377-1404 (12) and Joanna Sophia Wittelsbach Duchess Austria 1373-1410 (17) were married at Vienna. They were third cousins. She a great x 5 granddaughter of Henry "Curtmantle" II King England 1133-1189. She by marriage Duchess Austria.

Before 01 Jun 1402 Thomas Mowbray 4th Earl Norfolk 2nd Earl Nottingham 1385-1405 and Constance Holland Countess Norfolk Countess Nottingham 1387-1437 were married. They were third cousins. He a great x 3 grandson of Edward "Longshanks" I King England 1239-1307. She a great granddaughter of King Edward III England. She by marriage Countess Norfolk, Earl Nottingham 2C 1383.

Marriage of Henry IV and Joanna of Navarre

On 07 Feb 1403 Henry IV King England 1367-1413 (35) and Joanna of Navarre Queen Consort England 1370-1437 (33) were married at Winchester. They were third cousins. He a grandson of King Edward III England. She a great x 4 granddaughter of Henry III King England 1207-1272. Joanna of Navarre Queen Consort England 1370-1437 (33) was crowned Queen Consort England. His third marriage, her second. She had eight children with her first husband but, despite ten years of marriage, none with Henry.

In 1413 Louis "Bearded" Wittelsbach VII Duke Bavaria 1368-1447 (45) and Catherine Valois Duchess Bavaria 1380-1462 (33) were married. They were third cousins. She by marriage Duchess Bavaria.

In 1413 James "White Earl" Butler 4th Earl Ormonde 1393-1452 (19) and Joan Beauchamp Countess Ormonde were married. They were third cousins. He a great x 3 grandson of Edward "Longshanks" I King England 1239-1307. She a great x 3 granddaughter of Edward "Longshanks" I King England 1239-1307. She by marriage Countess Ormonde.

Before 1414 Hugh Courtenay 12th Earl Devon 1389-1422 and Anne Talbot Countess Devon 1393-1441 were married. They were third cousins. He a great x 3 grandson of Edward "Longshanks" I King England 1239-1307. She a great x 3 granddaughter of Edward "Longshanks" I King England 1239-1307.

Before 1416 Gilbert Talbot 8th Baron Strange Blackmere 5th Baron Talbot 1383-1419 and Joan Plantagenet Baroness Strange Blackmere Baroness Talbot 1384-1400 were married. They were third cousins. He a great x 3 grandson of Edward "Longshanks" I King England 1239-1307. She a granddaughter of King Edward III England. She by marriage Baroness Strange Blackmere Baron Talbot 1C 1331.

In 1418 John Grey 1st Earl Tankerville 1384-1421 (33) and Joan Charleton Countess Tankerville 1400-1425 (18) were married. They were third cousins. He a great x 3 grandson of Edward "Longshanks" I King England 1239-1307. She a great x 3 granddaughter of Edward "Longshanks" I King England 1239-1307. She by marriage Countess Tankerville.

Around 1420 Thomas Courtenay 13th Earl Devon 1414-1458 (6) and Margaret Beaufort Countess Devon 1409-1449 (11) were married. They were third cousins. He a great x 4 grandson of Edward "Longshanks" I King England 1239-1307. She a great granddaughter of King Edward III England.

On 24 Oct 1420 René Valois Anjou I Duke Anjou 1409-1480 (11) and Isabella Metz Duchess Anjou I Duchess Lorraine 1400-1453 (20) were married. They were third cousins. He a great x 5 grandson of Henry III King England 1207-1272.

Around 1423 Humphrey Lancaster 1st Duke Gloucester 1390-1447 (32) and Jacqueline Wittelsbach Duchess Brabant 1401-1436 (21) were married. They were third cousins. He a son of Henry IV King England 1367-1413. She a great x 4 granddaughter of Edward "Longshanks" I King England 1239-1307.

On 13 May 1423 John Lancaster 1st Duke Bedford 1389-1435 (33) and Anne Valois 1404-1432 (18) were married at Troyes. They were third cousins. He a son of Henry IV King England 1367-1413. She a great x 4 granddaughter of Edward "Longshanks" I King England 1239-1307.

After Mar 1424 Thomas Clifford 8th Baron Clifford 1414-1455 and Joan Dacre Baroness Clifford -1453 were married. They were third cousins. He a great x 3 grandson of King Edward III England. She a great x 5 granddaughter of Edward "Longshanks" I King England 1239-1307. She by marriage Baroness Clifford.

Before 1425 Richard Beauchamp 13th Earl Warwick 1382-1439 and Isabel Despencer Countess Warwick Countess Worcester 1400-1439 were married. They were third cousins. He a great x 4 grandson of Edward "Longshanks" I King England 1239-1307. She a great granddaughter of King Edward III England. She by marriage Countess Warwick.

Around 1426 Philip Courtenay 1404-1463 (21) and Elizabeth Hungerford -1476 were married. They were third cousins. He a great x 3 grandson of Edward "Longshanks" I King England 1239-1307.

On 07 Jan 1430 Philip "Good" Valois III Duke Burgundy 1396-1467 (33) and Isabella Aviz Duchess Burgundy 1397-1471 (32) were married. They were third cousins. He a great x 4 grandson of Edward "Longshanks" I King England 1239-1307. She a great granddaughter of King Edward III England. She by marriage Duchess Burgundy.

On 01 Oct 1430 Guy 14th de Laval Count 1406-1486 (24) and Isabella Montfort 1411-1442 (19) were married. They were third cousins. He a great x 4 grandson of Henry III King England 1207-1272. She a great x 4 granddaughter of Henry III King England 1207-1272.

1434 Neville Beauchamp Marriage Alliance

In 1434 the Beauchamp and Neville families were joined together by two child marriages, siblings from both families, which would have a far reaching effect since Richard "Kingmaker" Neville 16th Earl Warwick 6th Earl Salisbury 1428-1471 (5) would eventually become Earl of Warwick.
Henry Beauchamp 1st Duke Warwick 1425-1446 (8) and Cecily Neville Duchess Warwick 1424-1450 (10) were married at Titchfield Abbey. They were third cousins. He a great x 2 grandson of King Edward III England. She a great x 2 granddaughter of King Edward III England.
Richard "Kingmaker" Neville 16th Earl Warwick 6th Earl Salisbury 1428-1471 (5) and Anne Beauchamp 16th Countess Warwick 1426-1492 (7) were married. They were third cousins. He a great x 2 grandson of King Edward III England. She a great x 2 granddaughter of King Edward III England.

Before 05 Nov 1436 Henry Grey 2nd Earl Tankerville 1418-1450 and Antigone Lancaster Countess Tankerville 1422-1450 were married. They were third cousins. He a great x 4 grandson of Edward "Longshanks" I King England 1239-1307. She a granddaughter of Henry IV King England 1367-1413. She by marriage Countess Tankerville.

Before 27 Aug 1439 John Grey 1387-1439 and Margaret Mowbray Baroness Grey Ruthyn 1388-1459 were married. They were third cousins. He a great x 4 grandson of Edward "Longshanks" I King England 1239-1307. She a great x 3 granddaughter of Edward "Longshanks" I King England 1239-1307. She by marriage Baroness Grey Ruthyn 1324.

On 30 Sep 1439 Charles "Viana" IV King Navarre 1421-1461 (18) and Agnes La Marck Queen Consort Navarre were married at Olite. They were third cousins. She a great x 5 granddaughter of Edward "Longshanks" I King England 1239-1307.

On 19 May 1440 Charles "Bold" Valois Duke Burgundy 1433-1477 (6) and Catherine Valois 1428-1446 (11) were married. They were third cousins. He a great x 2 grandson of King Edward III England.

Around 1441 Robert Hungerford 3rd Baron Hungerford 1st Baron Moleyns 1431-1464 (10) and Eleanor Moleyns Baroness Hungerford 1426-1476 (14) were married. They were third cousins.

After 27 Jan 1443 Christopher Talbot 1419-1443 and Joyce Charleton Baroness Tiptoft 1404-1446 were married. They were third cousins. He a great x 4 grandson of Edward "Longshanks" I King England 1239-1307. She a great x 3 granddaughter of Edward "Longshanks" I King England 1239-1307.

In 1444 John Valois Anjou II Duke Lorraine 1424-1470 (19) and Marie Bourbon Duchess Anjou 1428-1448 (16) were married. They were third cousins. She a great x 5 granddaughter of Edward "Longshanks" I King England 1239-1307. She by marriage Duchess Anjou.

Before 1445 John Talbot 2nd Earl Shrewsbury 2nd Earl Waterford 1417-1460 and Elizabeth Butler Countess Shrewsbury Countess Waterford 1424-1473 were married. They were third cousins. He a great x 4 grandson of Edward "Longshanks" I King England 1239-1307. She a great x 4 granddaughter of Edward "Longshanks" I King England 1239-1307.

Marriage of Henry VI and Margaret of Anjou

On 23 Apr 1445 Henry VI King England II King France 1421-1471 (23) and Margaret of Anjou (15) were married at Titchfield Abbey Fareham. They were third cousins. He a son of Henry V King England 1386-1422.

In 1447 John Bourbon II Duke Bourbon 1426-1488 (21) and Joan Valois Duchess Bourbon 1435-1482 (11) were married. They were third cousins. He a great x 5 grandson of Edward "Longshanks" I King England 1239-1307. She by marriage Duchess Bourbon.

In 1447 John Scrope 5th Baron Scrope Bolton 1437-1498 (9) and Joan Fitzhugh Baroness Scrope Bolton were married. They were third cousins.

Before 1450 William Fitzalan 16th Earl Arundel 1417-1487 and Joan Neville Countess Arundel 1423-1462 were married. They were third cousins. He a great x 5 grandson of Henry III King England 1207-1272. She a great x 2 granddaughter of King Edward III England. She by marriage Countess Arundel Sussex.

In 1451 Thomas Stanley 1st Earl Derby 1435-1504 (16) and Eleanor Neville Baroness Stanley 1447-1471 (4) were married in the Chapel at Middleham Castle. They were third cousins. He a great x 4 grandson of Edward "Longshanks" I King England 1239-1307. She a great x 2 granddaughter of King Edward III England.

On 21 Mar 1452 Louis IX Duke of Bavaria 1417-1479 (35) and Amalia of Saxony 1436-1501 (15) were married. They were third cousins.

Before 1455 Thomas Ros 9th Baron Ros Helmsley 1427-1464 and Philippa Tiptoft Baroness Ros Helmsley 1423-1487 were married. They were third cousins. He a great x 5 grandson of Henry III King England 1207-1272. She a great x 4 granddaughter of Edward "Longshanks" I King England 1239-1307. She by marriage Baroness Ros Helmsley.

Around Apr 1458 James Butler 1st Earl Wiltshire 5th Earl Ormonde 1420-1461 (37) and Eleanor Beaufort Countess Ormonde 1432-1501 (26) were married. They were third cousins. He a great x 4 grandson of Edward "Longshanks" I King England 1239-1307. She a great x 2 granddaughter of King Edward III England. She by marriage Countess Ormonde.

Before 02 Feb 1461 John Courtenay 15th Earl Devon 1435-1471 and Laura Bourchier Countess Devon 1440-1484 were married. They were third cousins. He a great x 2 grandson of King Edward III England. She a great x 2 granddaughter of King Edward III England.

In 1462 Jacques Armagnac Duke Nemours 1433-1477 (29) and Louise Valois Anjou Duchess Nemours 1445-1477 (17) were married. They were third cousins.

In 1463 Henry Neville 1437-1469 (26) and Joan Bourchier 1442-1470 (21) were married. They were third cousins. He a great x 2 grandson of King Edward III England. She a great x 2 granddaughter of King Edward III England.. He was buried in the Beauchamp Chapel St Mary's Church Warwick.

After 25 Apr 1464 Thomas Wingfield -1475 and Philippa Tiptoft Baroness Ros Helmsley 1423-1487 were married. They were third cousins. He a great x 4 grandson of Edward "Longshanks" I King England 1239-1307. She a great x 4 granddaughter of Edward "Longshanks" I King England 1239-1307.

In 1466 William Berkeley 1st Marquess Berkeley 1426-1492 (40) and Elizabeth West 3rd Baroness Berkeley were married. They were third cousins. He a great x 4 grandson of Edward "Longshanks" I King England 1239-1307. She a great x 5 granddaughter of Henry III King England 1207-1272. She by marriage Baroness Berkeley.

Around 12 Jun 1472 Thomas Stanley 1st Earl Derby 1435-1504 (37) and Margaret Beaufort Countess Richmond 1443-1509 (29) were married. They were third cousins. He a great x 4 grandson of Edward "Longshanks" I King England 1239-1307. She a great x 2 granddaughter of King Edward III England. She by marriage Queen Mann, Baron Stanley.

Around 1510 Meynnart Wewyck Painter 1460-1525. Portrait of Margaret Beaufort Countess Richmond 1443-1509 in the Masters Lodge St John's College. Commissioned by John Fisher Bishop of Rochester 1469-1535. Note the Beaufort Arms on the wall beneath which is the Beafort Portcullis. Repeated in the window. She is wearing widow's clothes, or possibly that of a convent; Gabled Headress with Lappets. On 29 Mar 2019, St John's College, Cambridge, which she founded, announced the portrait was original work by Wewyck.

In 1484 Jean III King Navarre 1469-1516 (15) and Catherine Grailly I Queen Navarre 1468-1517 (16) were married. They were third cousins. He by marriage King Navarre.

Marriage of Henry VII and Elizabeth York

On 18 Jan 1486 Henry VII King England and Ireland 1457-1509 (28) and Elizabeth, Edward IV's eldest daughter (19) were married at Westminster Abbey. They were third cousins. He a great x 3 grandson of King Edward III England. She a daughter of Edward IV King England 1442-1483. She by marriage Queen Consort England.

Around 1510 Meynnart Wewyck Painter 1460-1525 is believed to have painted the portrait of Henry VII King England and Ireland 1457-1509.Around 1520 Unknown Painter. Netherlands. Portrait of Henry VII King England and Ireland 1457-1509.Around 1675 Unknown Painter. Portrait of Elizabeth York Queen Consort England 1466-1503. From a work of 1500.

In Dec 1489 Edward Stafford 3rd Duke of Buckingham 1478-1521 (11) and Eleanor Percy Duchess Buckingham -1530 were married. They were third cousins. He a great x 4 grandson of King Edward III England. She a great x 4 granddaughter of King Edward III England. She by marriage Duchess of Buckingham. The executors of her father Henry Percy 4th Earl of Northumberland 1449-1489 (40), who had been hanged by rebels during the Northern Rebellion earlier in the year, having paid Henry VII King England and Ireland 1457-1509 (32) £4000 for the privilege. His father, Henry Stafford 2nd Duke of Buckingham 1454-1483 (35), had been hanged for treason in 1483.

Before 11 Oct 1492 Charles VIII King France 1470-1498 and Anne of Brittany were married. They were third cousins. She a great x 5 granddaughter of Henry III King England 1207-1272. She by marriage Queen_Consort_France.

In 1494 Maximilian Habsburg I Holy Roman Emperor 1459-1519 (34) and Bianca Maria Sforza Holy Roman Empress 1472-1510 (22) were married. They were third cousins. He a great x 3 grandson of King Edward III England. She by marriage Holy Roman Empress.

On 03 Apr 1496 John Trastámara Prince Asturias 1478-1497 (17) and Margaret Habsburg Princess Asturias 1480-1533 (16) were married at Abbey of Santa Maria la Real de Huelgas. They were third cousins. He a great x 3 grandson of King Edward III England. She a great x 4 granddaughter of King Edward III England. She by marriage Princess Asturias.

Around 1515. Bernard Van Orley Painter 1491-1541. Portrait of Margaret Habsburg Princess Asturias 1480-1533.

Around 1497 William Pole 1478-1539 (19) and Katherine Stourton Baroness Grey Codnor 1455-1521 (42) were married. They were third cousins. He a great x 3 grandson of King Edward III England.

Marriage of James IV of Scotland and Margaret Tudor

On 08 Aug 1503 James IV King Scotland 1473-1513 (30) and Margaret Tudor (13) were married. They were third cousins. He a great x 4 grandson of King Edward III England. She a daughter of Henry VII King England and Ireland 1457-1509. at Holyrood Abbey, Holyrood. Thomas Howard 2nd Duke Norfolk 1443-1524 (60) and James Hamilton 1st Earl Arran 1475-1529 (28) were present.
Cuthbert Cunningham 3rd Earl Glencairn 1476-1541 (27) restored 3rd Earl Glencairn.

Around 1525 Unknown Painter. French. Portrait of an Unknown Woman formerly known as Margaret Tudor Queen Scotland 1489-1541.

Before 1504 John Grey 2nd Viscount Lisle 1481-1504 and Muriel Howard Viscountess Lisle 1485-1511 were married. They were third cousins. She by marriage Viscountess Lisle.

Around 1504 Philip Calthorpe 1464-1549 (40) and Mary Saye 1465-1504 (39) were married. They were third cousins.

Around Dec 1509 George Hastings 1st Earl Huntingdon 1487-1544 (22) and Anne Stafford Countess Huntingdon 1483-1544 (26) were married. They were third cousins. He a great x 4 grandson of King Edward III England. She a great x 4 granddaughter of King Edward III England. She by marriage Baroness Hastings.

1535. Ambrosius Benson Painter 1495-1550. Portrait of Anne Stafford Countess Huntingdon 1483-1544.

In May 1510 Henry Pole 1st Baron Montagu 1492-1539 (18) and Jane Neville Baroness Montagu 1481-1538 (29) were married. They were third cousins. He a great x 4 grandson of King Edward III England. She a great x 4 granddaughter of King Edward III England. She by marriage Baroness Montagu.

In 1515 Christian II King Denmark II King Norway 1481-1559 (33) and Isabella of Austria Queen Consort Denmark and Norway 1501-1526 (13) were married. They were third cousins. She a great x 4 granddaughter of King Edward III England. She by marriage Queen Consort Denmark, Queen Consort Norway.

After Nov 1517 William Gascoigne 1467-1551 and Margaret Neville 1494-1532 were married. They were third cousins. He a great x 4 grandson of King Edward III England. She a great x 4 granddaughter of King Edward III England.

Before 17 Feb 1523 William Stourton 5th Baron Stourton 1457-1523 and Catherine Pole 1477-1513 were married. They were third cousins. She a great x 3 granddaughter of King Edward III England.

In 1526 Thomas Berkeley 6th Baron Berkeley 1505-1534 (21) and Mary Hastings 1514-1532 (12) were married. They were third cousins. He a great x 5 grandson of King Edward III England. She a great x 5 granddaughter of King Edward III England.

In or before 1528 Thomas Percy 1504-1537 (24) and Eleanor Harbottle 1504-1567 (24) were married. They were third cousins. He a great x 4 grandson of King Edward III England. She a great x 5 granddaughter of King Edward III England.

In or before 1530 Edward Stanley 3rd Earl Derby 1509-1572 (20) and Katherine Howard Countess Derby -1530 were married. They were third cousins. He a great x 5 grandson of King Edward III England. without the King's permission.

In 1532 James Hamilton 1st Duke Châtellerault 1516-1575 (16) and Margaret Douglas Duchess Châtellerault -1579 were married. They were third cousins. He a great x 5 grandson of King Edward III England. She a great x 5 granddaughter of King Edward III England. She by marriage Countess Arran.

Marriage of Henry Fitzroy and Mary Howard

On 28 Nov 1533 Henry Fitzroy Tudor 1st Duke Richmond and Somerset 1519-1536 (14) and Mary Howard Duchess Richmond and Somerset 1519-1557 (14) were married. They were third cousins. He a son of Henry VIII King England and Ireland 1491-1547. She by marriage Duchess of Richmond and Somerset. Another coup for the Howard Family especially in view of Henry Fitzroy being considered by some as a possible heir in view of Anne Boleyn having given birth to a girl.

Before 1534 John Scrope 8th Baron Scrope Bolton 1510-1549 (24) and Catherine Clifford Baroness Scrope Bolton 1513-1598 (21) were married. They were third cousins. He a great x 5 grandson of King Edward III England. She a great x 5 granddaughter of King Edward III England. She by marriage Baroness Scrope Bolton.

On 18 Jun 1538 James V King Scotland 1512-1542 (26) and Mary of Guise Queen Consort Scotland 1515-1560 (22) were married. They were third cousins. He a grandson of Henry VII King England and Ireland 1457-1509. at St Andrew's Cathedral Priory, St Andrew's. She by marriage Queen Consort Scotland.

Around 1535 Corneille de Lyon Painter 1520-1575. Portrait of James V King Scotland 1512-1542.Around 1536 Corneille de Lyon Painter 1520-1575. Portrait of James V King Scotland 1512-1542.

Before 1543 Francis Lorraine I Duke Lorraine 1517-1545 and Christina of Denmark were married. They were third cousins. She a great x 5 granddaughter of King Edward III England.

1538 Hans Holbein The Younger Painter 1497-1543. Portrait of Christina of Denmark.

In 1549 John Stewart 4th Earl Atholl -1579 and Margaret Fleming Countess Atholl 1529-1586 (20) were married. They were third cousins. He a great x 5 grandson of King Edward III England. She a great x 5 granddaughter of King Edward III England. She by marriage Countess Atholl.

In or before 1553 Matthew Campbell of Loudon 1531 1593 (22) and Isabel Drummond of Innerpaffrey 1533-1568 (20) were married. They were third cousins.

In 1553 Archibald Campbell 5th Earl Argyll 1534-1573 (19) and Jean Stewart Countess Argyll 15333-1588 (20) were married. They were third cousins. She a great granddaughter of Henry VII King England and Ireland 1457-1509. She by marriage Countess Argyll.

Before 10 Dec 1553 Anthony Browne 1st Viscount Montague 1528-1592 and Magdalen Dacre Viscountess Montague 1538-1608 were married. They were third cousins. He a great x 5 grandson of King Edward III England. She a great x 5 granddaughter of King Edward III England.

In 1559 Hans Eworth Painter 1520-1574. Portrait of Anthony Browne 1st Viscount Montague 1528-1592 wearing a Garter Collar and St George Pendant.

On 28 May 1554 Gerald "Wizard Earl" Fitzgerald 11th Earl Kildare 1525-1585 (29) and Mabel Browne Countess Kildare were married at the Chapel Royal St James's Palace. They were third cousins. He a great x 5 grandson of King Edward III England. She a great x 5 granddaughter of King Edward III England. She by marriage Countess Kildare.

After 1558 Henry Scrope 9th Baron Scrope Bolton 1534-1592 and Margaret Howard Baroness Scrope Bolton 1543-1591 were married. They were third cousins. She by marriage Baroness Scrope Bolton.

On 22 Jun 1558 Thomas Percy 7th Earl of Northumberland 1528-1572 (30) and Anne Somerset Countess Northumberland 1538-1596 (20) were married. They were third cousins. He a great x 5 grandson of King Edward III England. She a great x 5 granddaughter of King Edward III England. She by marriage Countess of Northumberland.

After 1572 Arthur Grey 14th Baron Grey Wilton 1536-1593 and Jane Sibella Morrison Baroness Grey Wilton 1550-1580 were married. They were third cousins. He a great x 5 grandson of King Edward III England. She by marriage Baroness Grey Wilton.

In 1577 George Clifford 3rd Earl Cumberland 1558-1605 (18) and Margaret Russell Countess Cumberland 1560-1616 (16) were married, she being the daughter of Francis Russell 2nd Earl Bedford 1527-1585 (50) who had been given George's wardship by Queen Elizabeth I of England and Ireland (43). They were third cousins. She by marriage Countess Cumberland.

Around 1590 Nicholas Hilliard Painter 1547-1619. Portrait of George Clifford 3rd Earl Cumberland 1558-1605.Around 1590 Unknown Painter. Portrait of Unknown Man. Possibly George Clifford 3rd Earl Cumberland 1558-1605.In 1583 Mid-Seventeeth Century copy.Unknown Painter. Portrait of Margaret Russell Countess Cumberland 1560-1616.Around 1546. William Scrots Painter 1517-1553. Portrait of Queen Elizabeth I of England and Ireland before her accession painted for her father.Around 1570 Hans Eworth Painter 1520-1574. Portrait of Queen Elizabeth I of England and Ireland.In 1579 George Gower Painter 1540-1596. The Plimton Sieve Portrait of Queen Elizabeth I of England and Ireland.Around 1585 William Segar Painter 1554-1663. Ermine Portrait of Queen Elizabeth I of England and Ireland.Around 1592 Marcus Gheeraerts Painter 1562-1636. The Ditchley Portrait of Queen Elizabeth I of England and Ireland.After 1585 Unknown Painter. Portrait of Queen Elizabeth I of England and Ireland.Around 1563 Steven van der Meulen Painter -1564. Portrait of Queen Elizabeth I of England and Ireland.

On 23 Jan 1581 James "The Bonnie Earl" Stewart 2nd Earl Moray 1565-1592 (16) and Elizabeth Stewart 2nd Countess Moray 1565-1591 (15) were married. They were third cousins. She a great x 2 granddaughter of Henry VII King England and Ireland 1457-1509. She by marriage Lord Doune. He by marriage 2nd Earl Moray 5C 1562.

Before 1582 Thomas Howard 1st Earl Suffolk 1561-1626 and Catherine Knyvet Countess Suffolk 1564-1638 were married. They were third cousins. She by marriage Baroness Audley Walden in Essex.

In 1598 Unknown Painter. Portrait of Thomas Howard 1st Earl Suffolk 1561-1626.Around 1616 William Larkin Painter 1582-1619. Portrait of Catherine Knyvet Countess Suffolk 1564-1638.

In 1584 Thomas Scrope 10th Baron Scrope Bolton 1567-1609 (17) and Philadelphia Carey Baroness Scrope Bolton -1627 were married. They were third cousins.

Before 25 Feb 1591 William Brereton 1st Baron Brereton 1550-1631 and Margaret Savage 1549-1597 were married. They were third cousins.

On 24 Jul 1592 Archibald Campbell 7th Earl Argyll 1575-1638 (17) and Agnes Douglas Countess Argyll 1574-1607 (18) were married. They were third cousins.

In 1593 Robert Catesby 1572-1605 (20) and Catherine Leigh 1573- (20) were married. They were third cousins.

Before 1594 Thomas Egerton 1577-1599 and Isabella Venables 1576-1599 were married. They were third cousins.

On 07 Feb 1597 William Howard 3rd Baron Howard of Effingham 1577-1615 (19) and Anne St John Lady Effingham 1575-1638 (22) were married. They were third cousins.

On 26 Dec 1605 Charles Blount 1st Earl Devonshire 1563-1606 (42) and Penelope Devereux Countess Devonshire 1563-1607 (42) were married at Wansted House during a service conducted by William Laud Archbishop of Canterbury 1573-1645 (32). They were third cousins. (future). The marriage was regarded as uncanonical and resulted in the disgrace of both parties, who were banished from King James I's court circles. She by marriage Countess Devonshire.

In 1631 Daniel Mijtens Painter 1590-1648. Portrait of William Laud Archbishop of Canterbury 1573-1645.Around 1636 Anthony Van Dyck Painter 1599-1641. Portrait of William Laud Archbishop of Canterbury 1573-1645. Wearing a black Chimere over his white Rochet.

On 24 Apr 1606 Henry Lorraine II Duke Lorraine 1563-1624 (43) and Margherita Gonzaga Duchess Lorraine 1591-1632 (14) were married. They were third cousins.

Before 1622. Frans Pourbus the Younger Painter 1569-1622. Portrait of Margherita Gonzaga Duchess Lorraine 1591-1632.

Before 1607 Thomas Howard 21st Earl Arundel 4th Earl Surrey 1st Earl Norfolk 1585-1646 and Alethea Talbot Countess Arundel, Surrey and Norfolk 1585-1654 were married. They were third cousins. She by marriage Countess Arundel Sussex, Earl Surrey 3C 1483.

In 1618 Daniel Mijtens Painter 1590-1648. Portrait of Thomas Howard 21st Earl Arundel 4th Earl Surrey 1st Earl Norfolk 1585-1646.In 1630 Daniel Mijtens Painter 1590-1648. Portrait of Thomas Howard 21st Earl Arundel 4th Earl Surrey 1st Earl Norfolk 1585-1646 and wearing his Garter Collar.Around 1629 Peter Paul Rubens Painter 1577-1640. Portrait of Thomas Howard 21st Earl Arundel 4th Earl Surrey 1st Earl Norfolk 1585-1646.

On 19 Feb 1608 Francesco IV Gonzaga Duke of Mantua 1586-1612 (21) and Margaret of Savoy Vicereine Portugal 1589–1655 (18) were married. They were third cousins.

1607. Frans Pourbus the Younger Painter 1569-1622. Portrait of Margaret of Savoy Vicereine Portugal 1589–1655.

In 1619 Victor Amadeus I Duke of Savoy 1587-1637 (31) and Christine Marie Bourbon Duchess Savoy 1606-1663 (12) were married. They were third cousins.

On 25 Mar 1623 Anthony Irby 1605-1682 (18) and Frances Wray 1610- (12) were married. They were third cousins.

Around 1650 Heneage Finch 3rd Earl Winchilsea 1628-1689 (22) and Mary Seymour Countess Winchelsea 1637-1673 (13) were married. They were third cousins. She a great x 4 granddaughter of Henry VII King England and Ireland 1457-1509. She by marriage Countess Winchilsea.

On 29 Apr 1656 William Hamilton 3rd Duke Hamilton 1634-1694 (21) and Anne Hamilton Duchess Hamilton 1632-1716 (24) were married. They were third cousins. She by marriage Countess Selkirk. William Hamilton 3rd Duke Hamilton 1634-1694 (21) by marriage 3rd Duke Hamilton.

On 11 Apr 1664 Nicholas Tufton 3rd Earl Isle Thanet 1631-1679 (32) and Elizabeth Boyle Countess Isle Thanet were married. They were third cousins. She by marriage Countess Isle Thanet.

Before 1666 Patrick Chaworth 3rd Viscount Chaworth 1635-1693 and Grace Manners Viscountess Chaworth -1700 were married. They were third cousins. She by marriage Viscountess Chaworth in County Armagh.

Before 11 Jul 1671 Roger Boyle 2nd Earl Orrery 1646-1692 (24) and Mary Sackville Countess Orrery 1648-1710 (23) were married. They were third cousins.

Around 1650. Studio of Peter Lely Painter 1618-1680. Portrait of Mary Sackville Countess Orrery 1648-1710.

In 1672 George Savile 1st Marquess Halifax 1633-1695 (38) and Gertrude Pierrepoint Marchioness Halifax -1727 were married. They were third cousins. She by marriage Lady Savile of Thornhill.

Around 1678 Mary Beale aka Cradock Painter 1633-1699. Portrait of George Savile 1st Marquess Halifax 1633-1695.Around 1650. Studio of Peter Lely Painter 1618-1680. Portrait of Gertrude Pierrepoint Marchioness Halifax -1727.

On 08 Jan 1673 John Manners 1st Duke Rutland 1638-1711 (34) and Catherine Noel Duchess Rutland 1657-1733 (16) were married. They were third cousins.

Before 1733. Michael Dahl Painter 1659-1743. Portrait of Catherine Noel Duchess Rutland 1657-1733.

In Oct 1676 George Gordon 1st Duke Gordon 1643-1716 (33) and Elizabeth Howard Duchess Gordon were married. They were third cousins. She by marriage Marchioness Huntly.

On 06 Feb 1677 Edward Lee 1st Earl Lichfield 1663-1716 (14) and Charlotte Fitzroy Countess Lichfield 1664-1718 (12) were married. They were third cousins. She a daughter of Charles II King England Scotland and Ireland 1630-1685. She by marriage Countess Lichfield.

Before 1718 Godfrey Kneller Painter 1646-1723. Portrait of Charlotte Fitzroy Countess Lichfield 1664-1718.

After 1678 Charles Dormer 2nd Earl Carnarvon 1632-1709 and Mary Bertie Countess Carnarvon 1655-1709 were married. They were third cousins. She by marriage Countess Carnarvon, Baron Dormer.

On 10 Jul 1679 Charles Paulet 2nd Duke Bolton 1661-1722 (18) and Margaret Coventry 1657-1682 (22) were married. They were third cousins.

On 07 Mar 1680 Louis "Le Grand Dauphin" Bourbon Duke Burgundy 1661-1711 (18) and Maria Anna Victoria Wittelsbach Duchess Burgundy 1660-1690 (19) were married. They were third cousins. She by marriage Duchess Burgundy.

Before 1681 Alexander Home 7th Earl of Home -1720 and Anne Kerr Countess Home were married. They were third cousins.

Around 06 Jul 1682 James Seton 4th Earl Dunfermline 1643-1694 (39) and Jean Gordon Countess Dunfermline were married. They were third cousins. She by marriage Countess Dunfermline.

On 25 Dec 1688 Edmund Bacon 4th Baronet Bacon 1672-1721 (16) and Philippa Bacon Lady Bacon -1710 were married. They were third cousins. She by marriage Lady Bacon of Mildenhall.

Around 1696 Edward Coke 1678-1707 (17) and Carey Newton 1680-1707 (15) were married. They were third cousins.

In 1705 John Montagu 2nd Duke Montagu 1690-1749 (15) and Mary Churchill Duchess Montagu 1689-1751 (15) were married. They were third cousins.

Before 1723 Godfrey Kneller Painter 1646-1723. Portrait of John Montagu 2nd Duke Montagu 1690-1749.Around 1740 George Knapton Painter 1698-1778. Portrait of John Montagu 2nd Duke Montagu 1690-1749.Around 1735 Gavin Hamilton Painter 1723-1798. Portrait of John Montagu 2nd Duke Montagu 1690-1749 and Mary Churchill Duchess Montagu 1689-1751, and Mary Montagu Duchess Montagu 1711-1775.

In 1709 Anthony Ashley-Cooper 3rd Earl Shaftesbury 1671-1713 (37) and Jane Ewer Countess Shafetsbury 1680-1751 (29) were married. They were third cousins. She by marriage Countess Shaftesbury.

In 1703 John Closterman Painter 1660-1711. Portrait of Anthony Ashley-Cooper 3rd Earl Shaftesbury 1671-1713 and Maurice Ashley-Cooper 1675-1726.

In 1727 Edward Moore 5th Earl Drogheda 1701-1758 (26) and Sarah Ponsonby -1737 were married. They were third cousins.

On 11 Oct 1731 John Russell 4th Duke Bedford 1710-1771 (21) and Diana Spencer Duchess Bedford 1710-1735 (21) were married. They were third cousins.

Around 1770 Thomas Gainsborough Painter 1727-1788. Portrait of John Russell 4th Duke Bedford 1710-1771.

On 04 Sep 1742 1786 John Wood of Beadnell in Northumberland 1742-1828 (43) and Ann Craster 1758-1832 were married. They were third cousins.

On 31 May 1750 Victor Amadeus III King Sardinia 1726-1796 (24) and Infanta Maria Antonia Spain 1729-1785 (20) were married. They were third cousins. He a great x 2 grandson of Charles I King England Scotland and Ireland 1600-1649.

Before 1765 Thomas Thynne 1st Marquess Bath 1734-1796 and Elizabeth Bentinck Marchioness Bath 1735-1825 were married. They were third cousins. She by marriage Viscountess Weymouth.

On 10 Jan 1773 Frederick Hesse Kassel 1720-1785 (52) and Princess Philippine Hohenzollern 1745-1800 (27) were married. They were third cousins. She a great granddaughter of George I King Great Britain and Ireland 1660-1727.. No issue.

On 07 Mar 1775 Thomas Frankland 6th Baronet Thirkleby 1750-1831 (24) and Dorothy Smelt Lady Thirkleby 1750-1820 (25) were married. They were third cousins.

On 01 Jun 1775 Frederick Francis I Grand Duke of Mecklenburg-Schwerin 1756-1837 (18) and Princess Louise of Saxe-Gotha-Altenburg 1756-1808 (19) were married. They were third cousins.

On 15 Oct 1780 King Frederick Wilhelm Karl Württemberg 1754-1816 (25) and Augusta Caroline Brunswick Bevern 1764-1788 (15) were married. They were third cousins. He a great x 2 grandson of George I King Great Britain and Ireland 1660-1727. She a great granddaughter of King George II of Great Britain and Ireland 1683-1760.

On 29 Sep 1791 Frederick Hanover Duke York 1763-1827 (28) and Frederica Charlotte Hohenzollern 1767-1820 (24) were married. They were third cousins. He a son of George III King Great Britain and Ireland 1738-1820. She a great x 2 granddaughter of George I King Great Britain and Ireland 1660-1727. at Charlottenburg, Berlin.

1827. James Lonsdale Painter 1777-1839. Portrait of Frederick Hanover Duke York 1763-1827.

On 23 Nov 1791 Frederick Hanover Duke York 1763-1827 (28) and Frederica Charlotte Hohenzollern 1767-1820 (24) were married at Buckingham Palace. They were third cousins. He a son of George III King Great Britain and Ireland 1738-1820. She a great x 2 granddaughter of George I King Great Britain and Ireland 1660-1727.

On 13 Feb 1797 Wilhelm Hesse Kassel 1777-1847 (19) and Princess Augusta of Prussia 1780-1841 (16) were married. They were third cousins. He a great grandson of King George II of Great Britain and Ireland 1683-1760. She a great x 2 granddaughter of George I King Great Britain and Ireland 1660-1727.

1800. Wilhelm Bottner Painter 1752-1810. Portrait of Princess Augusta of Prussia 1780-1841.

On 18 May 1797 King Frederick Wilhelm Karl Württemberg 1754-1816 (42) and Princess Charlotte Hanover 1766-1828 (30) were married. They were third cousins. He a great x 2 grandson of George I King Great Britain and Ireland 1660-1727. She a daughter of George III King Great Britain and Ireland 1738-1820.

In 1782 Thomas Gainsborough Painter 1727-1788. Portrait of Princess Charlotte Hanover 1766-1828.

Before 14 Jul 1819 John Somers-Cocks 2nd Earl Somers 1788-1852 and Caroline Yorke Countess Somers 1794-1873 were married. They were third cousins.

In 1822 George James Welbore Agar 1st Baron Dover 1797-1833 (24) and Georgiana Howard Lady Dover 1804-1860 (18) were married. They were third cousins.

In 1825. George Hayter Painter 1792-1871. Portrait of George James Welbore Agar 1st Baron Dover 1797-1833.

In 1823 Admiral Maurice Frederick Fitzhardinge Berkeley 1788-1867 (34) and Charlotte Lennox 1804-1833 (19) were married. They were third cousins. He a great x 3 grandson of Charles II King England Scotland and Ireland 1630-1685. She a great x 3 granddaughter of Charles II King England Scotland and Ireland 1630-1685.

In 1823 Dudley Ryder 2nd Earl Harrowby Lincolnshire 1798-1882 (24) and Frances Stuart Countess Harrowby Lincolnshire -1859 were married. They were third cousins.

In Jul 1835 Horace Beauchamp Seymour Conway 1791-1851 (43) and Frances Isabella Selina Poyntz Marchioness Exeter 1803-1879 (32) were married. They were third cousins. He a great x 3 grandson of James II King England Scotland and Ireland 1633-1701.

On 12 Aug 1840 Francis Richard Grey 1813-1890 (27) and Elizabeth Dorothy Anne Howard 1816-1891 (23) were married. They were third cousins.

In 1842 Admiral Edward Howard 1st Baron Lanerton 1809-1880 (32) and Diana Ponsonby Baroness Lanerton -1893 were married. They were third cousins.

On 30 Apr 1850 Thomas Lyon Bowes 12th Earl Strathmore and Kinghorne 1822-1865 (27) and Charlotte Maria Barrington 1826-1854 (24) were married. They were third cousins. She a great x 4 granddaughter of Charles II King England Scotland and Ireland 1630-1685. She by marriage Countess Strathmore and Kinghorne.

In 1857 William Fox-Strangways 4th Earl Ilchester 1795-1865 (61) and Sophia Penelope Sheffield Countess Ilchester 1842-1882 (15) were married. They were third cousins.

On 05 Feb 1857 Alfred Spencer-Churchill 1824-1893 (33) and Harriett Louisa Hester Gough 1832-1901 (25) were married. They were third cousins.

In 1863 William Henry Forester Denison 1st Earl Londesborough 1834-1900 (28) and Edith Somerset Countess Londesborough 1838-1915 (25) were married. They were third cousins. She by marriage Baroness Londesborough of Londesborough in the East Riding of Yorkshire.

On 07 Jun 1864 Frederick Cavendish 1836-1882 (27) and Lucy Caroline Lyttelton 1841-1925 (22) were married. They were third cousins.. No issue.

On 26 Sep 1865 Francis Leveson-Gower 1824-1895 (41) and Louisa Caroline Cavendish 1835-1907 (30) were married. They were third cousins.

Before 14 Apr 1867 Prince Frederick Christian Oldenburg 1831-1917 and Helena Windsor 1846-1923 were married. They were third cousins. He a great x 3 grandson of King George II of Great Britain and Ireland 1683-1760. She a daughter of Queen Victoria of the United Kingdom 1819-1901.

On 10 Aug 1867 William Wentworth-Fitzwilliam 1839-1877 (28) and Laura Maria Theresa Beauclerk 1849-1886 (18) were married. They were third cousins. She a great x 4 granddaughter of Charles II King England Scotland and Ireland 1630-1685.

Before 19 Mar 1879 Victor Alexander Grosvenor 1853-1884 and Sibell Mary Lumley 1855-1929 were married. They were third cousins.

On 05 Nov 1881 Henry Ulrick Lascelles 5th Earl Harewood 1846-1929 (35) and Florence Katharine Bridgeman Countess Harewood 1859-1943 (22) were married. They were third cousins.

On 11 Aug 1887 William Henry Francis Denison 2nd Earl Londesborough 1864-1917 (23) and Grace Adelaide Fane Countess Londesborough 1860-1933 (26) were married. They were third cousins.

On 01 Nov 1894 James Albert Edward Hamilton 3rd Duke Abercorn 1869-1953 (24) and Rosalind Cecilia Caroline Bingham Duchess Abercorn 1869-1958 (25) were married at St Paul's Church Knightsbridge. They were third cousins. He a great x 5 grandson of Charles II King England Scotland and Ireland 1630-1685. She a great x 5 granddaughter of Charles II King England Scotland and Ireland 1630-1685.

On 24 Jun 1896 William Charles de Meuron "Billy" Wentworth-Fitzwilliam 7th Earl Fitzwilliam 1872-1943 (23) and Maud Frederica Elizabeth Dundas Countess Fitzwilliam 1877-1967 (18) were married at St Paul's Cathedral. They were third cousins. He a great x 5 grandson of Charles II King England Scotland and Ireland 1630-1685.

On 14 Dec 1905 Henry Arthur Mornington Wellesley 3rd Earl Cowley 1866-1919 (39) and Millicent Florence Eleanor Wilson Countess Cowley 1872-1952 (33) were married at Colombo. They were third cousins.

In 1917 Edward Montagu Cavendish Stanley 1894-1938 (22) and Sibyl Louise Beatrix Cadogan 1893-1969 (24) were married. They were third cousins.

On 20 Apr 1931 Gottfried Hermann Alfred Hohenlohe Langenburg 1897-1960 (34) and Margarita Glücksburg 1905-1981 (26) were married. They were third cousins. He a great grandson of Queen Victoria of the United Kingdom 1819-1901. She a great x 2 granddaughter of Queen Victoria of the United Kingdom 1819-1901.

In 1936 David Brand 5th Viscount Hampden 1902-1975 (33) and Imogen Alice Rhys Viscountess Hampden 1903-2001 (32) were married. They were third cousins.

On 20 Nov 1947 Philip Mountbatten Duke Edinburgh 1921-2021 (26) and Elizabeth II Queen United Kingdom 1926- (21) were married at Westminster Abbey. They were third cousins. He a great x 2 grandson of Queen Victoria of the United Kingdom 1819-1901. She a daughter of George VI King United Kingdom 1895-1952.

1933. Philip de László Painter 1869-1937. Portrait of Elizabeth II Queen United Kingdom 1926-.

Before 11 Mar 1959 James Lowther 7th Earl Londsdale 1922-2006 (36) and Jennifer Lowther 1932-2021 (26) were married. They were third cousins.

In 1962 Juan Carlos I King Spain 1938- (23) and Sophia Glücksburg Queen Consort Spain 1938- (24) were married. They were third cousins. He a great x 2 grandson of Queen Victoria of the United Kingdom 1819-1901. She a great x 2 granddaughter of Queen Victoria of the United Kingdom 1819-1901. She by marriage Queen Consort Spain.

Henry Herbert 4th Baron Herbert Chirbury 1640-1691 and Catherine Newport Baroness Herbert Chirbury were married. They were third cousins. He a great x 5 grandson of Henry VII King England and Ireland 1457-1509.

Around 1680 Godfrey Kneller Painter 1646-1723. Portrait of Henry Herbert 4th Baron Herbert Chirbury 1640-1691.Before 1681 Gilbert Soest Painter 1605-1681. Portrait of Henry Herbert 4th Baron Herbert Chirbury 1640-1691. Powis Castle.

Philip Capet Count Boulogne 1200-1234 and Matilda Dammartin Queen Consort Portugal 1202-1259 were married. They were third cousins. He a great x 3 grandson of William "Conqueror" I King England 1028-1087. She a great granddaughter of Stephen I King England 1094-1154.

Baldwin Flanders V Count Hainault 1150-1195 and Margaret Metz Countess Hainault and Flanders -1194 were married. They were third cousins. She by marriage Countess Hainault.

Henry Poole 1592-1652 and Beatrix Brydges were married. They were third cousins.

William Dampierre III Count Flanders 1224-1251 and Beatrix Reginar Countess Flanders 1225-1288 were married. They were third cousins. He a great x 4 grandson of William "Conqueror" I King England 1028-1087. She a great x 2 granddaughter of Stephen I King England 1094-1154. She by marriage Countess Flanders.

Robert Dampierre Count Marle -1331 and Joan Montfort 1296-1364 were married. They were third cousins. She a great granddaughter of Henry III King England 1207-1272.

Raoul Coucy II Lord Coucy -1250 and Philippe Dammartin Countess Eu -1280 were married. They were third cousins.

Antoine King Navarre 1518-1562 and Jeanne Albret III Queen Navarre 1528-1572 were married. They were third cousins. She by marriage Duchess Vendôme.

John Grey 1524-1564 and Mary Browne were married. They were third cousins. He a great x 5 grandson of King Edward III England. She a great x 5 granddaughter of King Edward III England.

Ralph Neville -1498 and Mary Paston 1469-1489 were married. They were third cousins. He a great x 4 grandson of King Edward III England. She a great x 3 granddaughter of King Edward III England.

Hugh IV Duke Burgundy 1213-1272 and Beatrix Blois Duchess Burgundy 1242-1295 were married. They were third cousins. He a great x 4 grandson of William "Conqueror" I King England 1028-1087. She a great x 4 granddaughter of William "Conqueror" I King England 1028-1087. She by marriage Duchess Burgundy.

Francis Hay 9th Earl Erroll 1564-1631 and Mary Stewart Countess Erroll were married. They were third cousins. She by marriage Countess Erroll.

Algernon Fulke Leveson-Gower 1825-1891 and Alice Louisa Cavendish 1837-1905 were married. They were third cousins.

Andrew William Kerr 1877-1929 and Marie Constance Kerr 1899-1929 were married. They were third cousins.

Baldwin Flanders II Count Boulogne -1027 and Adelina Gerulfing Countess Boulogne and Ponthieu were married. They were third cousins. She by marriage Countess Boulogne.

John Ros 7th Baron Ros Helmsley 1397-1421 and Margery Despencer de jure 3rd Baroness Despencer Baroness Ros Helmsley 1397-1478 were married. They were third cousins. He a great x 4 grandson of Henry III King England 1207-1272. She by marriage Baroness Ros Helmsley.

John Gordon and Sophia Hay were married. They were third cousins.

Henry Ughtred 6th Baron Ughtred -1510 and Agnes Constable Baroness Ughtred were married. They were third cousins. She a great x 4 granddaughter of King Edward III England. She by marriage Baroness Ughtred.

Louis François Bourbon Condé Conti 1703-1704 and Louise Diane Bourbon 1716-1736 were married. They were third cousins. He a great x 3 grandson of James I King England and Ireland VI King Scotland 1566-1625. She a great x 3 granddaughter of James I King England and Ireland VI King Scotland 1566-1625.

Richard Musgrave 1431-1491 and Joan Clifford were married. They were third cousins. She a great x 4 granddaughter of King Edward III England.

Raoul Coucy 1134-1191 and Alix II Dreux 1156-1214 were married. They were third cousins.

William Mowbray 6th Baron Thirsk 4th Baron Mowbray 1173-1224 and Avice D'Aubigny Baroness Okehampton Baroness Mowbray 1196-1214 were married. They were third cousins. She a great x 3 granddaughter of King Henry I "Beauclerc" England 1068-1135. She by marriage Baroness Thirsk, Baron Mowbray 1C 1283.

Amadeus "Happy" Savoy IX Duke Savoy 1435-1472 and Yolande Valois Duchess Savoy 1434-1478 were married. They were third cousins. He a great x 5 grandson of Edward "Longshanks" I King England 1239-1307. She by marriage Duchess Savoy.

Gilbert Clare 5th Earl Gloucester 4th Earl Hertford 1180-1230 and Isabel Marshal Countess Cornwall, Gloucester and Hertford 1200-1240 were married. They were third cousins. He a great x 2 grandson of King Henry I "Beauclerc" England 1068-1135. She by marriage Countess Gloucester, Earl Hertford 1C 1138.

Edward Seymour 1586-1618 and Anne Sackville -1664 were married. They were third cousins. He a great x 3 grandson of Henry VII King England and Ireland 1457-1509.

Alfonso Este II Duke Ferrara 1533-1597 and Barbara Habsburg Spain Duchess Ferrara 1539-1572 were married. They were third cousins. She a great x 5 granddaughter of King Edward III England. She by marriage Duchess Ferrara.

John Segrave -1353 and Blanche Mowbray Baroness Poynings -1409 were married. They were third cousins. He a great grandson of Edward "Longshanks" I King England 1239-1307. She a great x 2 granddaughter of Henry III King England 1207-1272.

John Hastings 11th Baron Hastings 1466-1504 and Catherine Aske Baroness Hastings -1507 were married. They were third cousins. She a great x 4 granddaughter of King Edward III England.

Guy Chatillon V Count Saint Pol -1360 and Johanna Luxemburg -1392 were married. They were third cousins. He a great x 2 grandson of Henry III King England 1207-1272.

Lewis Clifford 1364-1404 and Eleanor Mowbray were married. They were third cousins. He a great x 5 grandson of John "Lackland" King England 1166-1216. She a great x 2 granddaughter of Henry III King England 1207-1272.

Godfrey "Bearded" Ardennes III Duke Lower Lorraine 997-1069 and Beatrice Ardennes were married. They were third cousins.

Henry Arthur Lascelles 1842-1913 and Caroline Maria Gore -1945 were married. They were third cousins.

Piers Mauley 8th Baron Mauley 1377-1415 and Maud Neville Baroness Haversham 1383-1438 were married. They were third cousins. She a great x 4 granddaughter of Edward "Longshanks" I King England 1239-1307. She by marriage Baroness Haversham.